package as;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class LoginServ
 */
@WebServlet("/LoginServ")
public class LoginServ extends HttpServlet {
	private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public LoginServ() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub]
		String id=request.getParameter("rid");
		String pwd=request.getParameter("pwd");

		Connection conn = null;
		String url = "jdbc:mysql://localhost:3306/mytest";
		String user = "root";
		String password = "85428133";

		try {
			Class.forName("com.mysql.jdbc.Driver").newInstance();
			conn = DriverManager.getConnection(url, user, password);
			//Statement stmt = conn.createStatement();
			//String sql = "select * from userinfo";
			//ResultSet rs = stmt.executeQuery(sql);

			String sql = "select * from userinfo where id = ? and password = ?";
			PreparedStatement pstmt = conn.prepareStatement(sql);
			pstmt.setString(1, id);
			pstmt.setString(2, pwd);

			ResultSet rs = pstmt.executeQuery();
            boolean isExists = rs.next();

//            while(rs.next()) {
//
//            }



			rs.close();
//			stmt.close();
			pstmt.close();
//			conn.close();

//			throw new SQLException();

		} catch (ClassNotFoundException e) {
			System.out.println("Class not found");
		} catch (SQLException e) {
			System.out.println("Sql exception");
		} catch (Exception e) {
			System.out.println("exception");
		} finally {
			try {
				if (conn != null) {
					conn.close();
				}
			} catch (SQLException e) {
				response.getWriter().println(e.getMessage());
			}
		}



		response.sendRedirect("jsp/main1.jsp");
	}

}
